Home / 220,367,260.80-330,172,977.60-105,103,612.80

Finding the Fourth Proportional to 220,367,260.80, 330,172,977.60 and 105,103,612.80

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Solution

The fourth proportional to 220,367,260.80, 330,172,977.60 and 105,103,612.80 is: 157,475,174.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,367,260.80 : 330,172,977.60 = 105,103,612.80 : x
  2. Step 2: Convert to fraction form
    220,367,260.80/330,172,977.60 = 105,103,612.80/x
  3. Step 3: Cross multiply
    220,367,260.80x = 330,172,977.60 × 105,103,612.80
  4. Step 4: Simplify right side
    220,367,260.80x = 34,702,372,794,693,476
  5. Step 5: Solve for x
    x = 34,702,372,794,693,476/220,367,260.80
  6. Step 6: Final answer
    x = 157,475,174.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.